The kind of the text track, represented by a value from the following list:
- 'subtitles': The track contains subtitles.
- 'captions': The track contains closed captions, a translation of dialogue and sound effects.
- 'descriptions': The track contains descriptions, a textual description of the video.
- 'chapters': The track contains chapter titles.
- 'metadata': The track contains metadata. This track will not serve display purposes.
OptionallabelThe label of the text track.
OptionallanguageThe language of the text track.
The type of cues this track will support.
Options for creating a custom text track.